The price indexes will track 11 most-active futures such as corn and coking coal, and 12 most-traded futures contract including iron ore, coke and soybean meal, according to the report.

In April, the Dalian exchange rolled out its first batch of commodity price indexes involving six indexes and three months later launched another six. The bourse currently trades a total of 36 commodity price indexes.

More indexes are expected to meet increasing market demand, an official at the exchange said earlier this month. (Reporting by Muyu Xu and Beijing Newsroom, editing by David Evans)